<!DOCTYPE html>
<html lang="zh-cn">
	<head>
	    <meta charset="utf-8">
	   	<title>HTML TEMP </title>
	   	<style type="text/css">
	   		body{
	   			margin: 0px;
	   		}
	   		#div1{
	   			background-color: #CCC;
	   			height: 50px;
	   			width: 200px;
	   			border: solid 1px red;
	   			padding: 10px;
	   			margin: 10px;
	   		}
	   	</style>
		</head>

	<body>
		<div id="div1">我是一个div</div>
	</body>
</html>